{"title":"Prosociality and aggression of peer group leaders: Relations with social, school, and psychological adjustment in Chinese adolescents.","authors":"Jiaxi Zhou, Xinyin Chen, Dan Li, Junsheng Liu, Tong Zhou, Xianguo Han, Minghao Zhang, Shujie Zheng","doi":"10.1093/chidev/aacag057","DOIUrl":null,"url":null,"abstract":"<p><p>This 2-year longitudinal study investigated the role of peer group leaders' prosociality and aggression in social, school, and psychological adjustment among early adolescents. Participants included 2,155 middle school students (1,085 boys; initial Mage = 12.91 years) in China. Data were collected in 2019 and 2021 from multiple sources, including self-reports, peer nominations, teacher ratings, and school records. Peer groups and their leaders were identified using the WalkTrap community detection algorithm, resulting in 239 peer group leaders across 220 peer groups. Multilevel analyses showed that group leaders' prosociality was positively associated with members' later prosociality and social preference. Group leaders' aggression was positively associated with members' aggression and behavioral and learning problems. The results indicate the importance of group leaders' characteristics for adolescent development.</p>","PeriodicalId":10109,"journal":{"name":"Child development","volume":" ","pages":"1739-1753"},"PeriodicalIF":3.6000,"publicationDate":"2026-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Child development","FirstCategoryId":"102","ListUrlMain":"https://doi.org/10.1093/chidev/aacag057","RegionNum":1,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PSYCHOLOGY, DEVELOPMENTAL","Score":null,"Total":0}
引用次数: 0
Abstract
This 2-year longitudinal study investigated the role of peer group leaders' prosociality and aggression in social, school, and psychological adjustment among early adolescents. Participants included 2,155 middle school students (1,085 boys; initial Mage = 12.91 years) in China. Data were collected in 2019 and 2021 from multiple sources, including self-reports, peer nominations, teacher ratings, and school records. Peer groups and their leaders were identified using the WalkTrap community detection algorithm, resulting in 239 peer group leaders across 220 peer groups. Multilevel analyses showed that group leaders' prosociality was positively associated with members' later prosociality and social preference. Group leaders' aggression was positively associated with members' aggression and behavioral and learning problems. The results indicate the importance of group leaders' characteristics for adolescent development.
期刊介绍：
As the flagship journal of the Society for Research in Child Development (SRCD), Child Development has published articles, essays, reviews, and tutorials on various topics in the field of child development since 1930. Spanning many disciplines, the journal provides the latest research, not only for researchers and theoreticians, but also for child psychiatrists, clinical psychologists, psychiatric social workers, specialists in early childhood education, educational psychologists, special education teachers, and other researchers. In addition to six issues per year of Child Development, subscribers to the journal also receive a full subscription to Child Development Perspectives and Monographs of the Society for Research in Child Development.
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